206622053 has 8 divisors (see below), whose sum is σ = 226240896. Its totient is φ = 187142400.

The previous prime is 206622019. The next prime is 206622061. The reversal of 206622053 is 350226602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206622053 - 2⁸ = 206621797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206622553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31676 + ... + 37637.

It is an arithmetic number, because the mean of its divisors is an integer number (28280112).

Almost surely, 2^206622053 is an apocalyptic number.

It is an amenable number.

206622053 is a deficient number, since it is larger than the sum of its proper divisors (19618843).

206622053 is a wasteful number, since it uses less digits than its factorization.

206622053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69595.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 206622053 is about 14374.3540028761. The cubic root of 206622053 is about 591.1879283215.

Adding to 206622053 its reverse (350226602), we get a palindrome (556848655).

The spelling of 206622053 in words is "two hundred six million, six hundred twenty-two thousand, fifty-three".